S39 Prineville night times
Prineville, OR
Night of Nov 6 to Nov 7PST
Position lights
§ 91.2094:46 PMto6:49 AM
Sunset to sunrise. Lights on.
0046Z to 1449Z
Night logging
§ 1.15:17 PMto6:18 AM
Civil twilight. Log it as night.
0117Z to 1418Z
Night currency
§ 61.57(b)5:46 PMto5:49 AM
One hour after sunset. Landings count.
0146Z to 1349Z
Evenings at S39
When each night begins, through the year. Local time.
| Date | SunsetLights on | Civil twilight endsLog night | 1 hr after sunsetLandings count |
|---|---|---|---|
| Nov 1PST | 4:53 PM | 5:23 PM | 5:53 PM |
| Nov 15PST | 4:36 PM | 5:08 PM | 5:36 PM |
| Dec 1PST | 4:26 PM | 4:58 PM | 5:26 PM |
| Dec 15PST | 4:25 PM | 4:58 PM | 5:25 PM |
| Jan 1PST | 4:35 PM | 5:08 PM | 5:35 PM |
| Jan 15PST | 4:50 PM | 5:23 PM | 5:50 PM |
| Feb 1PST | 5:13 PM | 5:44 PM | 6:13 PM |
| Feb 15PST | 5:33 PM | 6:03 PM | 6:33 PM |
| Mar 1PST | 5:52 PM | 6:21 PM | 6:52 PM |
| Mar 15PDT | 7:10 PM | 7:39 PM | 8:10 PM |
| Apr 1PDT | 7:31 PM | 8:00 PM | 8:31 PM |
| Apr 15PDT | 7:48 PM | 8:18 PM | 8:48 PM |
| May 1PDT | 8:08 PM | 8:40 PM | 9:08 PM |
| May 15PDT | 8:24 PM | 8:58 PM | 9:24 PM |
| Jun 1PDT | 8:41 PM | 9:16 PM | 9:41 PM |
| Jun 15PDT | 8:49 PM | 9:26 PM | 9:49 PM |
| Jul 1PDT | 8:51 PM | 9:28 PM | 9:51 PM |
| Jul 15PDT | 8:45 PM | 9:20 PM | 9:45 PM |
| Aug 1PDT | 8:28 PM | 9:01 PM | 9:28 PM |
| Aug 15PDT | 8:09 PM | 8:40 PM | 9:09 PM |
| Sep 1PDT | 7:40 PM | 8:10 PM | 8:40 PM |
| Sep 15PDT | 7:14 PM | 7:43 PM | 8:14 PM |
| Oct 1PDT | 6:44 PM | 7:13 PM | 7:44 PM |
| Oct 15PDT | 6:20 PM | 6:49 PM | 7:20 PM |
Mornings at S39
When each night ends. Local time.
| Date | 1 hr before sunriseLandings stop counting | Civil twilight beginsNight logging ends | SunriseLights off |
|---|---|---|---|
| Nov 1PST | 5:41 AM | 6:11 AM | 6:41 AM |
| Nov 15PST | 6:00 AM | 6:28 AM | 7:00 AM |
| Dec 1PST | 6:19 AM | 6:47 AM | 7:19 AM |
| Dec 15PST | 6:33 AM | 6:59 AM | 7:33 AM |
| Jan 1PST | 6:39 AM | 7:06 AM | 7:39 AM |
| Jan 15PST | 6:36 AM | 7:04 AM | 7:36 AM |
| Feb 1PST | 6:22 AM | 6:51 AM | 7:22 AM |
| Feb 15PST | 6:03 AM | 6:34 AM | 7:03 AM |
| Mar 1PST | 5:41 AM | 6:12 AM | 6:41 AM |
| Mar 15PDT | 6:16 AM | 6:47 AM | 7:16 AM |
| Apr 1PDT | 5:45 AM | 6:16 AM | 6:45 AM |
| Apr 15PDT | 5:20 AM | 5:50 AM | 6:20 AM |
| May 1PDT | 4:55 AM | 5:23 AM | 5:55 AM |
| May 15PDT | 4:37 AM | 5:03 AM | 5:37 AM |
| Jun 1PDT | 4:23 AM | 4:47 AM | 5:23 AM |
| Jun 15PDT | 4:19 AM | 4:43 AM | 5:19 AM |
| Jul 1PDT | 4:24 AM | 4:47 AM | 5:24 AM |
| Jul 15PDT | 4:34 AM | 4:59 AM | 5:34 AM |
| Aug 1PDT | 4:51 AM | 5:18 AM | 5:51 AM |
| Aug 15PDT | 5:07 AM | 5:35 AM | 6:07 AM |
| Sep 1PDT | 5:27 AM | 5:57 AM | 6:27 AM |
| Sep 15PDT | 5:43 AM | 6:13 AM | 6:43 AM |
| Oct 1PDT | 6:01 AM | 6:32 AM | 7:01 AM |
| Oct 15PDT | 6:19 AM | 6:49 AM | 7:19 AM |
Lights and runways
As the FAA lists them. NOTAMs aren't included, so check current NOTAMs before you fly.
ACTVT MIRL RWY 11/29; PAPI RWY 29 & LIRL RWY 16/34 - CTAF.
Runway 11/29
5,405 × 75 ft · Asphalt
Runway 16/34
3,536 × 60 ft · Asphalt
Frequencies
Night at S39, in short
When can I log night time at S39?
From the end of evening civil twilight to the beginning of morning civil twilight, when the sun is 6° below the horizon (14 CFR 1.1). On the night of Nov 6, 2026, that was 5:17 PM to 6:18 AM PST.
When do landings at S39 count for night currency?
From one hour after sunset to one hour before sunrise. To carry passengers at night you need 3 takeoffs and 3 full-stop landings in that period within the last 90 days (14 CFR 61.57(b)). On the night of Nov 6, 2026, that was 5:46 PM to 5:49 AM PST.
When are position lights required at S39?
From sunset to sunrise (14 CFR 91.209(a)). On the night of Nov 6, 2026, that was 4:46 PM to 6:49 AM PST.
Nearby airports
- KRDM Roberts Field/Redmond Municipal Redmond, OR · 11 nm
- KBDN Bend Municipal Bend, OR · 17 nm
- 5S5 Lake Billy Chinook Culver, OR · 23 nm
- S33 Madras Municipal Madras, OR · 25 nm
- 6K5 Sisters Eagle Air Sisters, OR · 27 nm
- S21 Sunriver Sunriver, OR · 34 nm
Times are worked out from the sun's position for a sea-level horizon, rounded to the minute. Airport data from the FAA NASR cycle of Oct 29, 2026.